The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Chen:IPAC2017-MOPIK013} \bibitem{Chen:IPAC2017-MOPIK013} T. Chen, Y.J. Pei, and Y. Song, \textquotedblleft{Design and Simulation of a C-Band Photocathode RF Gun With a Coaxial Coupler for UEM}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 525--527, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper MOPIK013, pp. 525--527, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper MOPIK013, pp. 525--527, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/mopik013.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-MOPIK013}, 2017.